Rio Maria weather in August

In August, Rio Maria sees average daytime highs of 34°C and overnight lows near 22°C, with 5 mm of rain across 0.9 wet days and about 11.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 71% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Rio Maria's 2nd-clearest and 1st-windiest month. For the whole year in context, see Rio Maria's year-round climate.

Daytime high
34°
1st warmest
Overnight low
22°
3rd coldest
Rainfall
5 mm
0.9 wet days
Daylight
11 h 48 min
6:32 AM – 6:17 PM
Cloud cover
31%
2nd clearest
Wind
8 km/h
1st windiest
Solar energy
5.81 kWh/m²
Travel score
4.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical August day in Rio Maria reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13321
23321
33321
43421
53421
63421
73421
83421
93422
103422
113422
123422
133422
143422
153422
163422
173422
183422
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313422

How August really feels in Rio Maria

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Rio Maria weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°29228.512.42.9
Feb30° / 22°2632612.22.8
Mar30° / 22°26228.5122.8
Apr30° / 22°19723.611.83.2
May31° / 22°10214.611.74.1
Jun32° / 22°112.311.65.1
Jul33° / 21°30.511.64.7
Aug34° / 22°50.911.84.1
Sep33° / 23°305123.9
Oct32° / 23°9814.612.23.6
Nov31° / 23°18021.712.33.3
Dec30° / 22°21425.212.43.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
68911
78911
88911
98911
108812
118812
128812
138713
148713
158713
168713
178713
188713
198713
208713
218713
228713
238614
248614
258614
268614
278614
288515
298416
308416
318317

Chance of precipitation in August

Any precipitation

Rio Maria gets around 5 mm of rain over 0.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
72
82
92
102
112
123
133
143
153
163
173
183
193
203
214
224
234
244
254
264
275
285
295
306
316

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13142252
23042252
33043252
42943262
52843262
62743273
72643273
82643284
92542284
102542295
112441295
122441305
132440306
142340316
152339326
162239336
172238347
182137357
192037367
201936377
211736397
221635418
231535428
241334448
251234469
261033479
279324810
288315011
297315012
306305113
316295114

Wind in August

Winds average 8 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:36 AM to 6:25 AM, and sunset from 6:17 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:366:17
211.76:366:17
311.76:366:17
411.76:356:17
511.76:356:17
611.76:356:17
711.76:356:17
811.76:346:17
911.76:346:17
1011.76:346:17
1111.76:336:17
1211.76:336:17
1311.76:336:17
1411.76:326:17
1511.86:326:17
1611.86:326:17
1711.86:316:17
1811.86:316:17
1911.86:306:17
2011.86:306:17
2111.86:296:17
2211.86:296:17
2311.86:296:17
2411.86:286:17
2511.86:286:16
2611.86:276:16
2711.86:276:16
2811.86:266:16
2911.86:266:16
3011.86:256:16
3111.96:256:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.81 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.08 kWh/m² in September across the year — August's 5.81 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in August

Hazard calendar for Rio Maria

In seasonPeak

None of Rio Maria's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rio Maria's monsoon runs November–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Rio Maria?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.1
Sightseeing
3rd-best month of the year
7.8
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Rio Maria for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rio Maria in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Rio Maria sees daytime highs around 34°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Rio Maria in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rio Maria peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Rio Maria in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Rio Maria is worst in September — around 59 µg/m³ PM2.5 (unhealthy), about 11.7× the cleanest month (July, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1754 µg/m³Jul 105 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May8Good
Jun6Good
Jul5Good
Aug20Moderate
Sep59Unhealthy
Oct30Moderate
Nov20Moderate
Dec16Moderate
Location & terrain

Where is Rio Maria?

Rio Maria sits at 7.3°S, 50.0°W, 197 m above sea level, in Brazil. The nearest listed city is Xinguara, 26 km away.

Topography around Rio Maria

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio Maria.

Within 3 km, the terrain around Rio Maria has only modest variations in elevation — a maximum elevation change of 53 m around an average of 200 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, large variations in elevation — a maximum elevation change of 678 m.

The land around Rio Maria is covered by grassland (69%) and trees (20%) within 3 km, grassland (72%) and trees (27%) within 16 km, and grassland (70%) and trees (29%) within 80 km.

3 km
53 m
16 km
453 m
80 km
678 m
treesgrasslandartificial surfaces
August weather nearby: Xinguara 26 km · Floresta do Araguaia 46 km · Água Azul do Norte 74 km · Redenção 80 km · Canaã dos Carajás 90 km · Ourilândia do Norte 130 km · Conceição do Araguaia 136 km · Tucumã 138 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rio Maria (-7.3106°, -50.0483°, elevation 197 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).